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All results from a given calculation for CH3ONO (Methyl nitrite)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-245.105050
Energy at 298.15K-245.109674
Nuclear repulsion energy123.039879
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3158 3052 7.13      
2 A' 3043 2941 13.19      
3 A' 1689 1632 170.08      
4 A' 1492 1442 6.50      
5 A' 1443 1395 2.75      
6 A' 1187 1148 0.22      
7 A' 993 960 97.72      
8 A' 858 829 63.31      
9 A' 648 626 150.77      
10 A' 345 334 1.53      
11 A" 3110 3006 19.17      
12 A" 1478 1428 9.68      
13 A" 1157 1119 0.82      
14 A" 367 354 2.30      
15 A" 181 175 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 10573.6 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 10220.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pVTZ
ABC
0.68581 0.24606 0.18748

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.326 0.334 0.000
O2 0.000 0.886 0.000
H3 1.985 1.196 0.000
H4 1.492 -0.276 0.888
H5 1.492 -0.276 -0.888
N6 -1.046 -0.049 0.000
O7 -0.700 -1.174 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43681.08521.08961.08962.40302.5259
O21.43682.00872.08922.08921.40342.1765
H31.08522.00871.78851.78853.27673.5817
H41.08962.08921.78851.77542.69822.5297
H51.08962.08921.78851.77542.69822.5297
N62.40301.40343.27672.69822.69821.1773
O72.52592.17653.58172.52972.52971.1773

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 115.570 O2 C1 H3 104.731
O2 C1 H4 110.825 O2 C1 H5 110.825
O2 N6 O7 114.716 H3 C1 H4 110.647
H3 C1 H5 110.647 H4 C1 H5 109.121
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117     0.246
2 O -0.184     -0.207
3 H 0.113     -0.004
4 H 0.097     0.021
5 H 0.097     0.021
6 N 0.154     0.044
7 O -0.161     -0.121


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.126 0.138 0.000 2.130
CHELPG        
AIM        
ESP 2.021 0.105 0.000 2.024


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.774 0.524 0.000
y 0.524 -25.488 0.000
z 0.000 0.000 -22.059
Traceless
 xyz
x 2.000 0.524 0.000
y 0.524 -3.571 0.000
z 0.000 0.000 1.572
Polar
3z2-r23.143
x2-y23.714
xy0.524
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.497 1.471 0.000
y 1.471 4.611 0.000
z 0.000 0.000 3.144


<r2> (average value of r2) Å2
<r2> 66.120
(<r2>)1/2 8.131